Penn State Extension

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"Week Old Chicks" by Jack Berry
Respiratory Diseases in Small Poultry Flocks - Articles Articles

Respiratory Diseases in Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

Poultry respiratory symptoms have many potential causes, some more serious than others. More
Common Respiratory Diseases of Small Poultry Flocks
Common Respiratory Diseases of Small Poultry Flocks - Videos Videos

Common Respiratory Diseases of Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

7:57

Learn about causes and symptoms of several common respiratory diseases of poultry, and the prognosis and possible treatments for each. More
Getting Help for Respiratory Diseases in Small Poultry Flocks
Getting Help for Respiratory Diseases in Small Poultry Flocks - Videos Videos

Getting Help for Respiratory Diseases in Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

5:07

If your poultry show signs of respiratory disease, learn what you should do, where to find help, and the resources available to owners of small flocks. More
Preventing Respiratory Disease in Small Poultry Flocks
Preventing Respiratory Disease in Small Poultry Flocks - Videos Videos

Preventing Respiratory Disease in Small Poultry Flocks

Eva Wallner-Pendleton, DVM, MS, ACPV

9:15

To prevent respiratory disease, start with healthy birds and avoid introducing sick birds. Learn how to purchase healthy birds and add them to your flock. More
photo: AAAP
Marek's Disease in Chickens - Articles Articles

Marek's Disease in Chickens

Eva Wallner-Pendleton, DVM, MS, ACPV, Gregory P Martin, Ph.D., PAS

Marek’s Disease is by far one of the most common illnesses in small flocks and not treatable once the clinical signs have begun. Yet, it is one of the most preventable illnesses using vaccination. More
Blood Collection from Poultry
Blood Collection from Poultry - Videos Videos

Blood Collection from Poultry

Eva Wallner-Pendleton, DVM, MS, ACPV

10:44

This video describes taking blood samples from poultry to test for exposure to infectious diseases. Correct bird restraint and handling of the sample are also demonstrated. More
Introduction to Highly Pathogenic Avian Influenza
Introduction to Highly Pathogenic Avian Influenza - Videos Videos

Introduction to Highly Pathogenic Avian Influenza

Gregory P Martin, Ph.D., PAS, Eva Wallner-Pendleton, DVM, MS, ACPV, Phillip Clauer

1:03

Introduction to risks of Avian Influenza a precautions you can take to protect your flock. More
Figure 1. Space requirements for resting and rising dairy cow
Designing and Building Dairy Cattle Freestalls - Articles Articles

Designing and Building Dairy Cattle Freestalls

Dan McFarland, John Tyson, Robert Graves, Ph.D., P.E.

Freestalls (cubicles) provide dairy cows a clean, dry, comfortable resting space. Well-designed and properly maintained freestalls are a key component in a freestall housing system. More
Natural Ventilation for Freestall Barns
Natural Ventilation for Freestall Barns - Articles Articles

Natural Ventilation for Freestall Barns

Robert Graves, Ph.D., P.E.

Cows continuously produce heat and moisture so a ventilation system is necessary to continuously exchange inside air for drier, cooler outside air. More
Natural Ventilation for Dairy Tie Stall Barns
Natural Ventilation for Dairy Tie Stall Barns - Articles Articles

Natural Ventilation for Dairy Tie Stall Barns

Robert Graves, Ph.D., P.E.

Tie stall barns require a ventilation system that allows close control of air exchange and temperature to prevent the barn from reaching freezing temperatures. More
Recommendations for Calf and Heifer Housing Dimensions for Jerseys
Recommendations for Calf and Heifer Housing Dimensions for Jerseys - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Jerseys

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Jersey cattle; a starting point for the design process. More
Photo credit: Amber Yutzy
Recommendations for Calf and Heifer Housing Dimensions for Holsteins - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Holsteins

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Holstein dairy cattle; a starting point for the design process. More
Avian Influenza - Frequently Asked Questions for Pennsylvanians
Avian Influenza - Frequently Asked Questions for Pennsylvanians - Articles Articles

Avian Influenza - Frequently Asked Questions for Pennsylvanians

Patricia A Dunn, DVM, MAM, DACPV, Eva Wallner-Pendleton, DVM, MS, ACPV

Information for Pennsylvanians about the biology of Avian Influenza ("Bird Flu") and recent outbreaks. Updated August 6, 2015. More
Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used?
Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used? - Articles Articles

Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used?

Douglas Beegle, Ph.D., Robert Graves, Ph.D., P.E., Kristen Saacke Blunk

Nutrient budgets have been developed by Mid-Atlantic Regional Water Program to quantify the magnitude and sources of excess nutrients that are being generated and applied throughout Pennsylvania. More